2536641438 has 8 divisors (see below), whose sum is σ = 5073282888. Its totient is φ = 845547144.

The previous prime is 2536641431. The next prime is 2536641439. The reversal of 2536641438 is 8341466352.

2536641438 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2536641438 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2536641438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2536641431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211386781 + ... + 211386792.

It is an arithmetic number, because the mean of its divisors is an integer number (634160361).

Almost surely, 2^2536641438 is an apocalyptic number.

2536641438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2536641438 is a wasteful number, since it uses less digits than its factorization.

2536641438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422773578.

The product of its digits is 414720, while the sum is 42.

The square root of 2536641438 is about 50365.0815347300. The cubic root of 2536641438 is about 1363.8073528315.

The spelling of 2536641438 in words is "two billion, five hundred thirty-six million, six hundred forty-one thousand, four hundred thirty-eight".